diff --git a/.config/guix/config.scm b/.config/guix/config.scm
index db33853b..db49fc47 100644
--- a/.config/guix/config.scm
+++ b/.config/guix/config.scm
@@ -92,7 +92,7 @@ EndSection")
                         (substitute-urls
                          (list
                           "https://berlin.guixsd.org"
-                          "https://mirror.hydra.gnu.org"
+                          ;; "https://mirror.hydra.gnu.org"
                           "https://hydra.gnu.org"))))
     (udev-service-type config =>
                        (udev-configuration